What could be done INCREASE the acceleration on the dog sled?
a
Run the sled up a hill.
b
Add another dog to the sled.
c
Remove a dog from the sled.
d
Add more mass to the sled.
b
Add another dog to the sled.
a
Run the sled up a hill.
b
Add another dog to the sled.
c
Remove a dog from the sled.
d
Add more mass to the sled.
Add another dog to the sled.